109 lines
2.6 KiB
TypeScript
109 lines
2.6 KiB
TypeScript
import { Plug } from "../../plugos/plug.ts";
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import {
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FileData,
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FileEncoding,
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SpacePrimitives,
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} from "../../common/spaces/space_primitives.ts";
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import { AttachmentMeta, FileMeta, PageMeta } from "../../common/types.ts";
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import { NamespaceOperation, PageNamespaceHook } from "./page_namespace.ts";
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export class PlugSpacePrimitives implements SpacePrimitives {
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constructor(
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private wrapped: SpacePrimitives,
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private hook: PageNamespaceHook,
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) {}
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performOperation(
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type: NamespaceOperation,
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pageName: string,
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...args: any[]
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): Promise<any> | false {
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for (let { operation, pattern, plug, name } of this.hook.spaceFunctions) {
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if (operation === type && pageName.match(pattern)) {
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return plug.invoke(name, [pageName, ...args]);
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}
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}
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return false;
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}
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async fetchFileList(): Promise<FileMeta[]> {
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let allFiles: FileMeta[] = [];
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for (let { plug, name, operation } of this.hook.spaceFunctions) {
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if (operation === "listFiles") {
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try {
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for (let pm of await plug.invoke(name, [])) {
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allFiles.push(pm);
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}
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} catch (e) {
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console.error("Error listing files", e);
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}
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}
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}
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let result = await this.wrapped.fetchFileList();
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for (let pm of result) {
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allFiles.push(pm);
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}
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return allFiles;
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}
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readFile(
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name: string,
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encoding: FileEncoding,
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): Promise<{ data: FileData; meta: FileMeta }> {
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let result = this.performOperation("readFile", name);
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if (result) {
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return result;
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}
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return this.wrapped.readFile(name, encoding);
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}
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getFileMeta(name: string): Promise<FileMeta> {
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let result = this.performOperation("getFileMeta", name);
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if (result) {
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return result;
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}
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return this.wrapped.getFileMeta(name);
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}
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writeFile(
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name: string,
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encoding: FileEncoding,
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data: FileData,
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selfUpdate?: boolean,
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): Promise<FileMeta> {
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let result = this.performOperation(
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"writeFile",
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name,
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encoding,
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data,
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selfUpdate,
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);
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if (result) {
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return result;
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}
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return this.wrapped.writeFile(name, encoding, data, selfUpdate);
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}
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deleteFile(name: string): Promise<void> {
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let result = this.performOperation("deleteFile", name);
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if (result) {
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return result;
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}
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return this.wrapped.deleteFile(name);
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}
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proxySyscall(plug: Plug<any>, name: string, args: any[]): Promise<any> {
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return this.wrapped.proxySyscall(plug, name, args);
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}
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invokeFunction(
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plug: Plug<any>,
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env: string,
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name: string,
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args: any[],
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): Promise<any> {
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return this.wrapped.invokeFunction(plug, env, name, args);
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}
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}
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